IBM z/OS TSO GSO record values must be set to the values specified.
Severity | Group ID | Group Title | Version | Rule ID | Date | STIG Version |
|---|---|---|---|---|---|---|
| medium | V-223469 | SRG-OS-000480-GPOS-00227 | ACF2-ES-000510 | SV-223469r991589_rule | 2026-03-09 | 9 |
Description
Configuring the operating system to implement organization-wide security implementation guides and security checklists ensures compliance with federal standards and establishes a common security baseline across DoD that reflects the most restrictive security posture consistent with operational requirements.
ℹ️ Check
From the ACF Command screen enter:
SET CONTROL(GSO)
LIST TSO
If the GSO TSO record values conform to the following requirements, this is not a finding.
ACCOUNT(1)
BYPASS(#)
CHAR(BS)
CMDLIST()
NOIKJEFLD1
LINE(ATTN)
LOGONCK
PERFORM(0)
PROC(site defined)
NOQLOGON
REGION(site defined)
SUBCLSS()
SUBHOLD()
SUBMSG()
TIME(0)
TSOSOUT(A)
UNIT(SYSDA)
WAITIME(1-60)
✔️ Fix
Configure the GSO TSO record values to conform to the following requirements.
ACCOUNT(1)
BYPASS(#)
CHAR(BS)
CMDLIST()
NOIKJEFLD1
LINE(ATTN)
LOGONCK
PERFORM(0)
PROC(site defined)
NOQLOGON
REGION(site defined)
SUBCLSS()
SUBHOLD()
SUBMSGC()
TIME(0)
TSOSOUT(A)
UNIT(SYSDA)
WAITIME(1-60)
Example:
SET C(GSO)
INSERT TSO ACCOUNT(1) BYPASS(#) CHAR(BS) CMDLIST() NOIKJEFLD1 LINE(ATTN) LOGONCK PERFORM(0) PROC(IKJACCNT) NOQLOGON REGION(4,096) SUBCLSS() SUBHOLD() SUBMSGC() TIME(0) TSOGNAME() TSOSOUT(A) UNIT(SYSDA) WAITIME(60)
F ACF2,REFRESH(TSO)